code: def _to_gb(n_bytes):
      return round(n_bytes / (1024**3), 2)
  
imports: import logging
  import os
  import time
  from collections import namedtuple
  from numbers import Number
  from typing import Any, Dict, Optional
  import ray
  from ray._private.resource_spec import NODE_ID_PREFIX
label_desc: Use image node_id 1 for calling a global function with example usage: _to_gb(n_bytes) and returns: round